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Finding the Fourth Proportional to 453,056.72, 625,234.34 and 249,123.18

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Solution

The fourth proportional to 453,056.72, 625,234.34 and 249,123.18 is: 343,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,056.72 : 625,234.34 = 249,123.18 : x
  2. Step 2: Convert to fraction form
    453,056.72/625,234.34 = 249,123.18/x
  3. Step 3: Cross multiply
    453,056.72x = 625,234.34 × 249,123.18
  4. Step 4: Simplify right side
    453,056.72x = 155,760,367,026.00
  5. Step 5: Solve for x
    x = 155,760,367,026.00/453,056.72
  6. Step 6: Final answer
    x = 343,798.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.